package sample.spring.chapter16.security;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;

public class MyAuthFailureHandler implements AuthenticationFailureHandler {

	@Override
	public void onAuthenticationFailure(HttpServletRequest request,
			HttpServletResponse response, AuthenticationException exception)
			throws IOException, ServletException {
		request.setAttribute("exceptionMsg", exception.getMessage());
		response.sendRedirect(request.getContextPath() + "/login?exceptionMsg=" + exception.getMessage());
	}
}
